Rupture energy of a pendular liquid bridge

Abstract : We propose a simple expression for the rupture energy of a pendular liquid bridge between two spheres, taking into account capillary and viscous (lubrication) forces. In the case of capillary forces only, the results are in accordance with curve fitting expressions proposed by Simons et al. [2] and Willett et al. [5]. We performed accurate measurements of the force exerted by liquid bridges between two spheres. Experimental results are found to be close to theoretical values. A reasonable agreement is also found in the presence of viscous forces. Finally, for small bridge volumes, the rupture criterion given by Lian et al. [10] is modified, taking into account additional viscous effects.
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Olivier Pitois, P Moucheront, Xavier Chateau. Rupture energy of a pendular liquid bridge. European Physical Journal B: Condensed Matter and Complex Systems, Springer-Verlag, 2001, 23 (1), pp.79--86. ⟨10.1007/s100510170084⟩. ⟨hal-00692968⟩

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